1. Figure 1 and figure 2 are similar figures. Figure 1
Figure II
4 cm
6 cm
20 cm
y cm
x cm
4 cm
2 cm
12 cm
Which proportion must be true?

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

Identify the number 127 as a rational or irrational. explain